US6015067A - Bottle top dispenser - Google Patents

Bottle top dispenser Download PDF

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Publication number
US6015067A
US6015067A US09/010,659 US1065998A US6015067A US 6015067 A US6015067 A US 6015067A US 1065998 A US1065998 A US 1065998A US 6015067 A US6015067 A US 6015067A
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United States
Prior art keywords
piston
cylinder
unit
cylinder unit
dispenser according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US09/010,659
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English (en)
Inventor
Andreas Lang
Hubert Kunze
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Brand GmbH and Co KG
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Brand GmbH and Co KG
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Assigned to BRAND GMBH + CO. reassignment BRAND GMBH + CO. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KUNZE, HUBERT, LANG, ANDREAS
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/021—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type
    • G01F11/025—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type with manually operated pistons
    • G01F11/028—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type with manually operated pistons the dosing device being provided with a dip tube and fitted to a container, e.g. to a bottleneck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1015—Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke

Definitions

  • the invention relates to a bottle top dispenser with a valve housing and with a piston-cylinder unit, which can be releasably affixed to the housing, the piston and cylinder of which can be activated in an axial stroke movement relative to one another, in order to draw liquid from a bottle on which the dispenser is set, and eject it, where the intake process takes place in a spring-activated extension movement and the ejection process takes place in a manually activated compression movement of the piston-cylinder unit.
  • Such bottle top dispensers are known from practice. They are particularly used to repeatedly dispense an adjustable liquid volume from a bottle.
  • piston-cylinder unit of a bottle top dispenser can be designed as an interchangeable part. Therefore it is provided that the piston-cylinder unit be affixed on the valve housing of the dispenser in releasable manner.
  • Piston-cylinder units designed as interchangeable parts can be cost-effectively produced by injection-molding of plastic.
  • the requirements with regard to their durability are not as high as for dispensers with permanently installed piston-cylinder units.
  • Piston-cylinder units designed as interchangeable parts open up the possibility of equipping the valve housing of the dispenser with piston-cylinder units of different sizes, depending on the volume of liquid to be dispensed. Also, different types of liquid to be dispensed can have their own piston-cylinder units assigned to them, and they can be exchanged when the liquid is changed. This simplifies the work process, and high requirements with regard to purity are fulfilled with less effort.
  • the interchangeability of the piston-cylinder units is particularly important when working under sterile conditions and when handling radioactive substances. For hygiene reasons and for the sake of work place safety, it can be necessary to dispose of contaminated piston-cylinder units in the proper manner, rather than cleaning them.
  • the known bottle top dispensers are designed for one-hand operation.
  • a spring element generally referred to as an intake spring, between the piston and the cylinder of the piston-cylinder unit serves for this purpose, to move the latter out in order to draw in liquid.
  • the piston-cylinder unit is moved in by hand again, and during this process, the intake spring is tensed for the next intake stroke.
  • dispensers are known in which the user must remove a helical pressure spring, which serves as the intake spring, from the old piston-cylinder unit, and clamp it in between the piston and the cylinder of the piston-cylinder unit, when the piston-cylinder unit is being replaced.
  • a helical pressure spring which serves as the intake spring
  • dispensers in which each of the piston-cylinder units designed as interchangeable parts has its own intake spring are possible. But that would involve a lot of material and high costs, and there would be additional effort connected with disposal.
  • the problem with the intake spring is a serious one, and a major reason is that the spring must be quite strong.
  • the spring is accordingly difficult to handle when replacing the piston-cylinder unit, and it is too good to be thrown away when replacement occurs.
  • the bottle top dispenser which accomplishes this object has an activation unit for the extension and compression movement of the piston-cylinder unit, where a releasable activation connection can be produced between the former and the piston-cylinder unit.
  • the activation unit is provided with the spring element for the intake process, and preferably designed for the manual action for ejection.
  • the activation unit can be releasably affixed to the valve housing of the dispenser. Replacement of a piston-cylinder unit can then take place as follows: First, the activation connection between the activation unit and the old piston-cylinder unit is released. The activation unit is taken off the valve housing, making the old piston-cylinder unit accessible. The old piston-cylinder unit is taken off the valve housing and the new piston-cylinder unit is affixed to it. Then a suitable activation unit is affixed to the valve housing, and finally, the activation connection between the activation unit and the new piston-cylinder unit is produced.
  • the activation unit has sleeves which surround one another coaxially, which are guided in telescope manner on one another, over the maximum stroke of the piston-cylinder unit.
  • the spring element for intake is clamped between the sleeves.
  • a helical pressure spring is involved.
  • the activation unit fits over the piston-cylinder unit affixed on the valve housing, in a coaxial arrangement.
  • the releasable activation connection between the activation unit and the piston-cylinder unit can preferably be produced in the maximum compression position of the units.
  • the latter is preferably a locked rest position of the dispenser. In this rest position, the dispenser has a low height, which is advantageous, for example, if a bottle with the dispenser on it is supposed to be placed in a refrigerator.
  • Using the rest position for producing and releasing the activation connection takes advantage of the existing locking effect, and has the further advantage that the filling volume of the piston-cylinder unit is minimal.
  • the extension stroke of the activation unit can be limited by an adjustable stop, by means of which the output volume is adjusted.
  • the stop can be continuously adjustable or adjustable in stages.
  • the piston of the piston-cylinder unit can be releasably affixed, in stationary position, on the valve housing of the dispenser, and a releasable activation connection can be produced between the activation unit and the cylinder of the piston-cylinder unit, for the extension and compression movement of the piston-cylinder unit.
  • the liquid must be passed between the piston-cylinder unit and the valve housing via a movable line.
  • the cylinder of the piston-cylinder unit can be releasably affixed, in stationary position, on the valve housing of the dispenser, and a releasable activation connection can be produced between the activation unit and the piston of the piston-cylinder unit, for the extension and compression movement of the piston-cylinder unit.
  • the releasable connection between the stationary part of the piston-cylinder unit and the valve housing is preferably a bayonet-type connection, e.g. a bayonet connection, a Luer lock or the like.
  • This connection is axially secure and can be quickly and easily produced and released, while maintaining a seal.
  • one of the sleeves of the activation unit preferably the inner sleeve
  • Another sleeve of the activation unit preferably the outer sleeve, has a slide which goes into releasable hold engagement with the movable part of the piston-cylinder unit.
  • the movable part of the piston-cylinder unit has at least one projecting collar with a larger diameter and, axially behind it, a neck with a smaller diameter.
  • the slide has an opening through which the collar fits in the release position, and which narrows in the activation direction, so that in the hold position, the neck fits in, but the collar does not fit through.
  • the movable part of the piston-cylinder unit has collars on both sides of the neck.
  • the slide locks into place in the hold position and the release position.
  • the dispenser according to the invention can be equipped with piston-cylinder units of different sizes.
  • an activation unit is assigned to each size, which preferably has a scale for the dispensing volume in each instance. Incorrect pairing of a piston-cylinder unit and an activation unit could result in an error, since the scale display does not agree with the actual dispensing volume. In such a preferred embodiment, it is therefore provided that such incorrect pairings are not functional.
  • necks and collars of piston-cylinder units of different sizes therefore differ in diameter, in pairs, and the openings in the slides of the related activation units are of different sizes, in such a way that an overly large collar will not fit into the opening and an overly small collar will fit through the constriction of the opening.
  • the sleeves of the activation unit are transparent or translucent. Therefore the user can see what is happening in the piston-cylinder unit, and check proper functioning of the dispenser.
  • Incorrect operation of the dispenser when a piston-cylinder unit is removed from the valve housing comprises that the user does not first release the activation connection between the activation unit and the piston-cylinder unit, but rather attempts to remove the activation unit from the valve housing together with the piston-cylinder unit which is coupled to it. When this happens, liquid is drawn into the piston-cylinder unit. The user can see this through the transparent sleeves of the activation unit and can notice the error.
  • Another safety feature of the dispenser according to the invention is the use of a piston-cylinder unit in which the piston is seated in the cylinder with particular strength.
  • Syringes with a piston-cylinder unit for pipetting devices are conventionally made from plastic, by means of injection molding. It is known to form a circumferential bead into the wall of the cylinder liner during this process, against which the piston comes to rest in its maximum extension position. When the syringe is assembled, the piston is pressed over the bead from the outside. If sufficient force is applied, it is therefore also possible to pull the piston out of the cylinder over the bead, which can result in undesired splashing of liquid out of the bottle.
  • piston-cylinder units in the form of a syringe made of plastic, in which the piston cannot be pulled out of the cylinder, are used for the dispenser according to the invention.
  • An attempt to pull the piston out of the cylinder of a syringe according to the invention should fail in that the syringe breaks at another, less critical point, preferably in such a way that it becomes irreparably non-functional, but does not leak.
  • a retainer ring for the piston is countersunk in the cylinder of the piston-cylinder unit.
  • the retainer ring prevents the piston from being pulled completely out of the cylinder.
  • the piston-cylinder unit preferably breaks at another, less critical point, for example in that the part at which the activation connection with the activation unit is produced breaks off.
  • the retainer ring can be switched between an active and inactive position. In the inactive state, it is supposed to permit installation of the piston in the cylinder and removal of the piston from the cylinder.
  • the piston has a piston head and a piston rod.
  • the cylinder has a bottom with an intake and ejection opening, and a cylinder liner into which the piston head fits, forming a seal.
  • the cylinder liner is open at its end facing away from the cylinder bottom, so that the piston can be installed in it.
  • the retainer ring for the piston lies in front of the installation opening, and it is sized in such a way that the piston head does not fit through the retainer ring, but the piston rod does.
  • the piston rod is guided in the retainer ring. This creates the possibility of filling or emptying a syringe without an activation unit coupled to it, without having to tilt the piston in the process.
  • the syringe is preferably sized in such a way that it is more likely that the piston rod will break or come off the piston head or that a connector piece of the syringe will tear out of its counterpart than that the piston head will overcome the retainer ring.
  • the retainer ring is circlipped onto the cylinder liner or circlipped into the cylinder liner.
  • the retainer ring can be glued or welded onto the cylinder liner, or formed from the cylinder liner by subsequent deformation.
  • the piston has a stroke reserve in the cylinder, in case of incorrect operation, which allows a release of the activation unit from the valve housing, while the activation connection between the activation unit and the piston-cylinder unit is produced in error, without the piston head reaching the retainer ring during this process. Incorrect operation can therefore not have the result that the piston head reaches the retainer ring with stepped-down force and overcome it after all. Rather, the piston head does not reach the retainer ring until the connection between the activation unit and the valve housing has been completely released. Therefore the user will notice the force increase directly, if the piston head reaches the retainer ring, and will intuitively stop his incorrect operation.
  • FIG. 1 shows a lateral axial cross-section of a bottle top dispenser, in which an activation unit with a slide is coupled to the piston of a piston-cylinder unit, in the entirely compressed position of the activation unit and the piston-cylinder unit, and with the slide in the locked position;
  • FIG. 2 shows a lateral axial cross-section of the bottle top dispenser in the entirely extended position of the activation unit and the piston-cylinder unit, and with the slide in the release position; it should be noted that the slide does not assume this release position in operation;
  • FIG. 3 shows the top end of the activation unit and the piston-cylinder unit as an enlarged detail of FIG. 1;
  • FIG. 4 shows an axial top view of the activation unit and the piston-cylinder unit as an enlarged detail of FIG. 3;
  • FIG. 5 shows the top end of the activation unit and the piston-cylinder unit as an enlarged detail of FIG. 2;
  • FIG. 6 shows an axial top view of the activation unit and the piston-cylinder unit with the view in the direction VI of FIG. 5;
  • FIG. 7 shows a side view of the piston-cylinder unit with the piston entirely compressed
  • FIG. 8 shows a side view of the piston-cylinder unit with the full metering stroke, corresponding to the piston being entirely extended;
  • FIG. 9 shows a side view of the piston-cylinder unit with the piston in the secured stop position
  • FIG. 10 shows a retainer ring circlipped into the cylinder of the piston-cylinder unit, as an enlarged detail of FIG. 8;
  • FIG. 11 shows likewise, a retainer ring circlipped onto the cylinder
  • FIG. 12 shows a side view of the top end of the piston rod of a large piston-cylinder unit
  • FIG. 13 shows a top view of the slide with which an activation unit is coupled to the large piston-cylinder unit
  • FIG. 14 shows a side view of the top end of the piston rod of a medium-size piston-cylinder unit
  • FIG. 15 shows a top view of the slide with which an activation unit is coupled to the medium-size piston-cylinder unit
  • FIG. 16 shows a side view of the top end of the piston rod of a small piston-cylinder unit
  • FIG. 17 shows a top view of the slide with which an activation unit is coupled to the small piston-cylinder unit.
  • the bottle top dispenser has a valve housing 10 which can be set onto a bottle, the liquid content of which is dispensed by the dispenser.
  • valve housing 10 From the valve housing 10, an intake line 12 goes down, with an intake valve 14 located ahead of it. The liquid is dispensed via a lateral cannula 16, in front of which there is an ejection valve 18. At the top, the valve housing 10 has a connector for a piston-cylinder unit designed as an interchangeable part, in the form of a plastic syringe.
  • the syringe has a cylinder bottom 20 with a central intake and ejection opening 22, which is surrounded by a cylindrical connector piece 24 which projects axially downward.
  • the connector piece 24 forms a sealing Luer lock connection with a top opening of the valve housing 10.
  • the syringe has a circular cylindrical liner 28 for a piston, which consists of a piston head 30 and a piston rod 32.
  • the piston head 30 is seated in the cylinder liner 28 so as to move axially, forming a seal.
  • the piston rod 32 is attached to the piston head 30 centrally and axially, and projects out of the cylinder liner 28 at the top.
  • the cylinder bottom 20 can also be conical, and the piston head 30 can be correspondingly conical.
  • the end of the cylinder liner 28 which faces away from the cylinder bottom 20 is open for installation of the piston.
  • a retainer ring 34 for the piston is inserted into the installation opening of the cylinder liner 28, and permanently connected with the latter.
  • the retainer ring 34 is sized in such a way that the piston rod 32 fits through it.
  • the retainer ring 34 is circlipped into the cylinder liner 28 of the piston-cylinder unit.
  • the cylinder liner 28 has a circumferential annular groove 76 on its inside mantle, and the retainer ring 34 has a circumferential annular bead 78 on its outside mantle, which bead fits into the annular groove 76 with a positive lock.
  • the annular groove 76 has an arc-shaped profile and the annular bead 78 has a corresponding crowned spherical curvature.
  • the retainer ring 34 is circlipped onto the cylinder liner 28 of the piston-cylinder unit.
  • a hook 80 which is radially circumferential and projects outward axially and radially is formed onto the cylinder liner 28; it has a ramp 82 and an undercut 84 behind it on its end, on the outside.
  • the retainer ring 34 has counterhooks 86 uniformly distributed over its circumference, at the edge, which can be pressed over the ramp 82 of the hook 80, spreading elastically, and fall into the undercut 84.
  • the extension is circular and cylindrical. It consists of a bottom collar 36 with a larger diameter which projects outward, a center neck 38 with a smaller diameter, and a top collar 40, again with a larger diameter, which projects outward.
  • the activation unit has a circular cylindrical inner sleeve 42 and a circular cylindrical outer sleeve 44 which coaxially surrounds it. Both sleeves 42, 44 are made of transparent plastic.
  • the sleeves 42, 44 are guided on one another in telescope manner. They are axially prestressed in the extension direction by means of a helical pressure spring 36 which serves as an intake spring.
  • the maximum axial extension stroke of the sleeves 42, 44 is limited by a stop. It corresponds to the full metering stroke of the piston-cylinder unit.
  • inner sleeve 42 can be screwed onto a cylindrical threaded connector 48, which projects upward from the top 26 of the valve housing 10.
  • the threaded connector 48 has an outside thread
  • the inner sleeve 42 has a matching inside thread.
  • the top end of the inner sleeve 42 forms a radial shoulder with an inner guide ring 50 with a smaller diameter for the piston rod 32, and an outer guide ring 52 with a larger diameter for the telescope guidance of the outer sleeve 44.
  • the outer guide ring 52 projects axially beyond the inner guide ring 50.
  • the bottom end of the helical pressure spring 46 sits in a ring space 54 between the guide rings 50, 52.
  • the outer sleeve 44 fits over the inner sleeve 42 with radial play. At its bottom end, it narrows to a collar 56 which is guided on the outside mantle of the inner sleeve 42.
  • a rider 58 is affixed on the outer sleeve 44, which makes contact with the outer guide ring 52 of the inner sleeve 42.
  • the rider 58 sits in an axial oblong hole 59 of the outside sleeve 44. It can be tightened in any desired position on the outer sleeve 44.
  • the rider 58 allows infinite adjustment of the axial extension stroke of the outer sleeve 44 relative to the inner sleeve 42, i.e. infinite adjustment of the dispenser output volume.
  • the outer sleeve 44 can also have a step-by-step adjustment for the rider 58, which permits adjustment of the dispenser output volume only in discrete steps (not shown). This has the advantage that it is even more difficult to unintentionally move the rider out of its position when it is activated.
  • the contact of the rider 58 on the outer guide ring 52 of the inner sleeve 42 activated by the intake spring occurs rather abruptly.
  • a pressure wave can form in the liquid that has been drawn in, which might briefly open the ejection valve 18 of the dispenser and permit a drop of fluid to exit.
  • contact of the rider 58 is damped in a suitable manner.
  • the rider 58 can be provided with a buffer made of elastic material (not shown).
  • the outer sleeve 44 of the activation unit is closed off at its upper end with a cover plate 60 recessed flush into it.
  • the outer guide ring 52 of the inner sleeve 42 touches the cover plate 60 in order to limit the compression stroke of the piston-cylinder unit.
  • a cylindrical bushing 62 projects in a coaxial arrangement; the top end of the helical screw spring 46 lies around this bushing.
  • the cover plate 60 has a center, circular opening 64, through which the extension at the top end of the piston rod 32 of the piston-cylinder unit which is in the Luer lock position fits.
  • a slide 66 is guided so as to be radially adjustable.
  • the slide 66 interacts with the extension at the top end of the piston rod 32 of the piston-cylinder unit which is in the Luer lock position, in order optionally to couple the outer sleeve 44 of the activation unit to the piston rod 32--hold position of the slide 66--or to release it from the rod--release position of the slide 66.
  • the slide 66 has a nub 68, which engages in a depression 70 of the cover plate 60 both in the hold position and in the release position of the slide 66.
  • the slide 66 has an opening 72 which is circular, in part, which is aligned with the center opening 64 of the cover plate 60 in the release position, and releases its clearance.
  • the slide 66 fits over the projecting collars 36, 40 on the extension of the piston rod 32 in the release position, with its circular opening segment 72.
  • the opening of the slide 66 narrows in the activation direction to form an oblong hole 74, into which the neck 38 on the extension of the piston rod 32 fit, but the projecting collars 36, 40 do not fit through.
  • the slide 66 seizes the neck 38 between the collars 36, 40 in the hold position, and produces an axially rigid connection between the piston rod 32 of the piston-cylinder unit and the outer sleeve 44 of the activation unit.
  • the dispenser has a rest position which is the maximum compression position of the piston in the cylinder of the piston-cylinder unit, and, at the same time, the maximum compression position of the outer sleeve 44 relative to the inner sleeve 42 of the activation unit.
  • the inner sleeve 42 and the outer sleeve 44 are axially locked into one another (not shown).
  • the lock can be formed, for example, with the rider 58 in the dispensing volume position zero.
  • the helical pressure spring 46 is under maximum tension in the locked rest position.
  • the slide 66 of the activation unit is brought into the release position while it is in its rest position, as mentioned, and the activation unit is unscrewed from the valve housing 10 of the dispenser. Then the Luer lock connection of the old piston-cylinder unit is released, the Luer lock connection of a new piston-cylinder unit is produced, a matching activation unit is screwed onto the valve housing 10, and the slide 66 is brought into the hold position, in order to couple the piston rod 32 of the new piston-cylinder unit to the outside sleeve 44 of the activation unit.
  • the piston has a stroke reserve in the cylinder, in case of incorrect operation.
  • the piston head 30 assumes a securing contact position on the retainer ring 34 beyond the full metering stroke.
  • an activation unit is assigned to each of piston-cylinder units of different sizes.
  • the piston-cylinder units are labeled with regard to size.
  • the activation unit are provided with a scale for the dispensing volume in each instance.
  • the collars 36, 40 and the neck 38 on the extension of the piston rod 32 are medium-size in diameter, and the opening in the slide 66 of the corresponding activation unit is correspondingly medium-size (see FIG. 15).
  • the collars 36, 40 and the neck 38 on the extension of the piston rod 32 are small in diameter, and the opening in the slide 66 of the corresponding activation unit is correspondingly small (see FIG. 17).
  • the collar 36, 40 on the extension of the piston rod 32 of a larger piston-cylinder unit does not fit into the opening of the slide 66 of an activation unit which is assigned to a smaller piston-cylinder unit.
  • a larger piston-cylinder unit can therefore not be incorrectly coupled to an activation unit for a smaller piston-cylinder unit.
  • a collar 36, 40 on the extension of the piston rod 32 of a smaller piston-cylinder unit fits through the constriction 74 of the slide opening of an activation unit which is assigned to a larger piston-cylinder unit.
  • a smaller piston-cylinder unit can therefore not be incorrectly coupled to an activation unit for a larger piston-cylinder unit.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
US09/010,659 1997-01-27 1998-01-22 Bottle top dispenser Expired - Lifetime US6015067A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702773A DE19702773A1 (de) 1997-01-27 1997-01-27 Flaschenaufsatzdispenser
DE19702773 1997-01-27

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US6015067A true US6015067A (en) 2000-01-18

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US09/010,659 Expired - Lifetime US6015067A (en) 1997-01-27 1998-01-22 Bottle top dispenser

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US (1) US6015067A (de)
EP (1) EP0855580B1 (de)
DE (2) DE19702773A1 (de)

Cited By (19)

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US20040035890A1 (en) * 2002-08-23 2004-02-26 Brand Gmbh + Co Kg Dispenser for a liquid, in particular a bottle-top dispenser
US6868992B2 (en) 2002-08-13 2005-03-22 Jacob Lasry Liquid-dispensing device
US6877639B1 (en) * 2002-10-18 2005-04-12 Liquid measuring and dispensing device
US20070045348A1 (en) * 2003-10-31 2007-03-01 Seaquist Perfect Dispensing Gmbh Dispenser pump
US20070234470A1 (en) * 2005-12-20 2007-10-11 Sawalski Michael M Toilet bowl cleaning and/or deodorizing device
US20070240252A1 (en) * 2005-12-20 2007-10-18 Leonard Stephen B Clip for mounting a fluid delivery device
US20070289995A1 (en) * 2006-06-16 2007-12-20 Buzz Bee Toys, Inc. Steady stream water gun
US20080017762A1 (en) * 2005-12-20 2008-01-24 Leonard Stephen B Clip for Mounting a Fluid Delivery Device
US20080135426A1 (en) * 2006-11-29 2008-06-12 Automatic Bar Controls, Inc. Dispensing Apparatus Component System
US20090008415A1 (en) * 2006-01-26 2009-01-08 Mitani Valve Co., Ltd. Content discharge mechanism for pump-type container and pump-type product with content discharge mechanism
US20100032453A1 (en) * 2008-01-24 2010-02-11 Simon Lacasse Fluid dispenser
US20110127298A1 (en) * 2009-04-22 2011-06-02 Chirag Narendrabhai Shah Bottle top dispenser with recirculating and draining mechanism
CN102135084A (zh) * 2010-01-22 2011-07-27 泰肯贸易股份公司 含有压力传感器的容积泵
US8549675B2 (en) 2010-11-26 2013-10-08 S.C. Johnson & Son, Inc. Toilet bowl cleaning device including dual activation mechanism
US20140138404A1 (en) * 2011-01-31 2014-05-22 Witeg Labortechnik Gmbh Bottle dispenser having a digital volume display
JP2018034838A (ja) * 2016-08-31 2018-03-08 株式会社吉野工業所 吐出器
US10176591B2 (en) 2012-06-15 2019-01-08 Sage Vision, Inc. Absolute position detection
JP2020507529A (ja) * 2017-02-07 2020-03-12 ヤオ ウー ディン， 押圧ポンプ
USD899194S1 (en) 2007-11-29 2020-10-20 Automatic Bar Controls, Inc. Dispensing apparatus

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DE19800709C2 (de) * 1998-01-10 2001-03-22 Brand Gmbh & Co Dispenser
DE20019821U1 (de) 1999-12-09 2001-06-07 BRAND GMBH + CO KG, 97877 Wertheim Dosiereinrichtung für Flüssigkeiten
DE102005049531B4 (de) * 2005-04-25 2021-10-28 Rpc Bramlage Gmbh Spender für flüssige oder pastöse Massen
DE202009012054U1 (de) 2009-09-07 2011-02-10 Brand Gmbh + Co Kg Dosiergerät für Flüssigkeiten
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US6868992B2 (en) 2002-08-13 2005-03-22 Jacob Lasry Liquid-dispensing device
US6860409B2 (en) 2002-08-23 2005-03-01 Brand Gmbh + Co Kg Dispenser for a liquid, in particular a bottle-top dispenser
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US6877639B1 (en) * 2002-10-18 2005-04-12 Liquid measuring and dispensing device
US7819291B2 (en) * 2003-10-31 2010-10-26 Seaquist Perfect Dispensing Gmbh Dispenser pump
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US20090008415A1 (en) * 2006-01-26 2009-01-08 Mitani Valve Co., Ltd. Content discharge mechanism for pump-type container and pump-type product with content discharge mechanism
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US20110127298A1 (en) * 2009-04-22 2011-06-02 Chirag Narendrabhai Shah Bottle top dispenser with recirculating and draining mechanism
DE112009004745T5 (de) 2009-04-22 2013-02-07 Chirag Narendrahai Shah Flaschenaufsatzspender mit Rücklauf- und Abtropfmechanismus
US20110182781A1 (en) * 2010-01-22 2011-07-28 Jimmy Dzuong Positive displacement pump with pressure sensor
US8231842B2 (en) * 2010-01-22 2012-07-31 Tecan Trading Ag Positive displacement pump with pressure sensor
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US20110182782A1 (en) * 2010-01-22 2011-07-28 Tecan Trading Ag Positive displacement pump with pressure sensor
CN102135084B (zh) * 2010-01-22 2015-08-26 泰肯贸易股份公司 含有压力传感器的容积泵
CN102135084A (zh) * 2010-01-22 2011-07-27 泰肯贸易股份公司 含有压力传感器的容积泵
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US20140138404A1 (en) * 2011-01-31 2014-05-22 Witeg Labortechnik Gmbh Bottle dispenser having a digital volume display
US9651412B2 (en) * 2011-01-31 2017-05-16 Sage Vision Inc. Bottle dispenser having a digital volume display
US10176591B2 (en) 2012-06-15 2019-01-08 Sage Vision, Inc. Absolute position detection
US11816856B2 (en) 2012-06-15 2023-11-14 Sage Vision Inc. Absolute position detection
JP2018034838A (ja) * 2016-08-31 2018-03-08 株式会社吉野工業所 吐出器
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EP0855580B1 (de) 2008-10-29
EP0855580A3 (de) 1998-08-05
EP0855580A2 (de) 1998-07-29
DE59814309D1 (de) 2008-12-11
DE19702773A1 (de) 1998-07-30

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